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Weather & Climate in Joliette, QC
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Joliette has a cool climate with an average annual temperature of 45°F (7°C). Winters average 21°F in January while summers reach 71°F in July. The area gets 235 sunny days per year, above the national average. Annual precipitation totals 54.2 inches (wetter than the 38-inch national average). The area receives 77.0 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 184 feet.
Temperature
21°F Jan (-6°C)
71°F Jul (21°C)
| Annual Average | 45.4°F |
| 16% below US avg | |
| January Average | 21°F (-6°C) |
| July Average | 71°F (21°C) |
| Sunny Days | 235 days/yr |
Geography
| Elevation | 184 ft (56 m) |
| Area | 8.9 sq mi (22.9 km²) |
| Population Density | 2,412/sq mi |
| Coordinates | 46.0164°N, 73.4236°W |
| Timezone | America/Toronto |
Precipitation & Snow
Air Quality
Earthquake History
119 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Mar 14, 1996 | 7 km WNW of Saint-Adolphe-d'Howard, Canada | M4.5 | 78 km | 18 km |
| May 17, 1991 | 7 km WNW of Rigaud, Canada | M4.4 | 95 km | 18 km |
| Oct 31, 1999 | 7 km SW of Morin-Heights, Canada | M4.2 | 72 km | 18 km |
| May 24, 1997 | 6 km W of Saint-Adolphe-d'Howard, Canada | M4.2 | 77 km | 10 km |
| Apr 18, 1998 | 4 km N of Plantagenet, Canada | M4.1 | 131 km | 18 km |
| Aug 6, 2000 | 7 km SSW of La Minerve, Canada | M4.0 | 121 km | 18 km |
| Nov 17, 1992 | 16 km ENE of Saint-André-Avellin, Canada | M4.0 | 115 km | 18 km |
| Feb 25, 2006 | 4 km NE of Thurso, Canada | M4.0 | 144 km | 11 km |
| Oct 10, 2012 | 7 km ESE of Verchères, Canada | M3.9 | 31 km | 9 km |
| Jul 30, 1993 | 1 km NE of Salaberry-de-Valleyfield, Canada | M3.9 | 100 km | 8 km |
| Oct 7, 1990 | 21 km WNW of La Minerve, Canada | M3.9 | 140 km | 18 km |
| Mar 16, 2011 | 6 km ENE of Hawkesbury, Canada | M3.9 | 97 km | 10 km |
| Sep 18, 2011 | 1 km E of Thurso, Canada | M3.8 | 148 km | 5 km |
| Feb 11, 2002 | 2 km WNW of Notre-Dame-des-Prairies, Canada | M3.8 | 6 km | 10 km |
| Jul 5, 1991 | 7 km WSW of Sainte-Martine, Canada | M3.8 | 95 km | 18 km |
| Nov 16, 1993 | 5 km SSE of Saint-Édouard, Canada | M3.8 | 93 km | 17 km |
| Oct 6, 2000 | 1 km WSW of Ormstown, Canada | M3.8 | 109 km | 18 km |
| Jul 30, 1998 | 0 km ENE of Lac-Simon, Canada | M3.8 | 102 km | 10 km |
| Sep 1, 2024 | 5 km SE of Pierreville, Canada | M3.8 | 52 km | 1 km |
| Sep 23, 1993 | 11 km SE of La Conception, Canada | M3.8 | 91 km | 18 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 21°F (-6°C) | 2.9 in | |
| February | 12°F (-11°C) | 2.2 in | Coldest, Driest |
| March | 24°F (-5°C) | 2.2 in | |
| April | 39°F (4°C) | 3.2 in | |
| May | 54°F (12°C) | 3.4 in | |
| June | 63°F (17°C) | 4.1 in | Wettest |
| July | 71°F (21°C) | 3.7 in | Warmest |
| August | 66°F (19°C) | 3.8 in | |
| September | 57°F (14°C) | 3.8 in | |
| October | 46°F (8°C) | 3.7 in | |
| November | 34°F (1°C) | 3.8 in | |
| December | 18°F (-8°C) | 3.0 in |
Joliette has a seasonal temperature swing of 58°F / from 12°F in February to 71°F in July. Total annual precipitation is 39.8 inches, with June being the wettest month (4.1") and February the driest (2.2").